IPC Subgroup
H04N 21/222 Secondary servers, e.g. proxy server or cable television Head-end
Introduced: January 2011
Full Title
Selective content distribution, e.g. interactive television or video on demand [VOD] > Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof > Server components or server architectures > Secondary servers, e.g. proxy server or cable television Head-end
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
Scope Notes
Glossary: Secondary server A server belonging to a hierarchy of servers, e.g. servers forming part of distributed systems or local servers for serving mobile terminals
1 direct subcode
Child Classifications
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- H04N 21/2225 Local VOD servers